Exams

The shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The difference in their selling price is

A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?

If 2x + 3y – 5z = 18, 3x + 2y + z = 29 and x + y + 3z = 17, then what is the value of xy + yz + zx?

In the following question, select the related word pair from the given alternatives.
Ammeter : Current : : ? : ?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
To go through fire and water

What is the value of 2+2+2+2.......

The volume of a spherical balloon is increased by 700%. What is the percentage increase in its surface area?

A bag has Rs.51.25 in the form of 2-rupee, 50-paise and 25-paise coins in the ratio of 3:5:7. What is the total number of 50-paise coins?